<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="login_avator">
        <img src="../assets/logo.png" alt="" />
      </div>

      <el-form
        :model="loginForm"
        :rules="loginFormRules"
        ref="loginFormRef"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="el-icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <!-- 引用main.js导入的 第三方图标 -->
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-3702mima"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区 -->
        <el-form-item class="btn">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginFormRef">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: "admin",
        password: "123456",
      },
      loginFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 5, message: "长度在 3 到 5 个字符", trigger: "blur" },
        ]
        // ,password: [
        //   { required: true, message: "请输入密码", trigger: "blur" },
        //   { min: 4, max: 5, message: "长度在 4 到 5 个字符", trigger: "blur" },
        // ]
      },
    };
  },
  methods: {
    resetLoginFormRef(){
        console.log(this)
        // 重置方法 通过ref获取整个对象元素(相当于dom)
        this.$refs.loginFormRef.resetFields()
    },
    login(){
        this.$refs.loginFormRef.validate(async (validateRes)=>{
            console.log(validateRes)
            if(!validateRes) return;
            // 返回Promise 的函数 要用await async修饰
            // 返回数据有 config/data/headers/request/status/statusText 6个属性
            // const resdata = await this.$http.post("login",this.loginForm);
            // console.log(resdata)
            // 只提取data属性 赋值给resData 然后就可以用resData
            const {data: resData} = await this.$http.post("login",this.loginForm);
            console.log(resData.meta.status)
            if(resData.meta.status !== 200) return this.$message.error('登录失败');
            this.$message.success('登录成功');
            window.sessionStorage.setItem('token',resData.data.token);
            this.$router.push('/homePage')


        })
    }
  }
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  height: 300px;
  width: 450px;
  border-radius: 3px;
  background: white;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.login_avator {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: white;
  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btn {
  display: flex;
  justify-content: flex-end;
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>
